Sony CDX-CA890X Service Manual ▷ View online
25
25
CDX-CA890X
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
LSW902
LSW910
LSW911
LSW912
LSW901
LSW903
S902
S903
S904
LED923
LED924
LED922
LED921
IC971
LSW906
LSW905
LSW904
LSW907
LSW908
LSW909
R943
R982
R940
R953
R955
R959
R961
R965
R967
R971
R973
R951
R952
R954
R957
R958
R960
R962
R963
R964
R966
R968
R969
R902
R903
R904
R905
R906
R913
R914
R915
LED911
LCD901
LED914
LED915
LED913
LED912
R956
S905
C982
Q902
LED910
IC901
Q901
Q903
Q907
Q908
D901
D902
D903
D911
D912
D913
D971
D972
C961
C962
C971
C956
C953
C952
BP1
BP2
R947
R946
R931
R932
R933
R998
R921
R923
R925
R927
R929
R995
R996
R901
R907
R908
R910
R936
R937
R938
R992
R993
R994
R997
R911
R912
R984
R985
R986
R991
R990
R999
R949
R948
R975
R976
R977
R978
R979
R945
R909
R970
R972
R974
CN901
3-12. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 17 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards.
: Uses unleaded solder.
(Page 24)
Ref. No.
Location
D901
G-4
D902
G-4
D903
F-11
D911
G-11
D912
G-10
D913
G-10
D971
F-13
D972
F-13
IC901
G-13
IC971
G-7
LED910
A-2
LED911
D-7
• Semiconductor Location
Ref. No.
Location
LED912
C-12
LED913
B-14
LED914
B-1
LED915
C-2
LED921
B-4
LED922
C-4
LED923
B-11
LED924
C-11
Q901
G-10
Q902
B-2
Q903
G-9
Q907
F-3
Q908
G-3
26
26
CDX-CA890X
R901
R902
R903
R904
R905
R906
R991
R993
R994
R998
R997
R996
R907
R908
R909
R910
R911
R912
R913
R914
R915
R995
R992
LED913
BP1
R982
R947
R946
R931
R932
R932
R933
R936
R937
R938
LED914
LED915
R945
D901
D902
D903
D911
D912
D913
D971
R949
R948
LED910
LED911
LED912
C982
C953
C961
IC901
C962
R999
C952
R990
C956
C971
IC971
R954
R956
R958
R960
R962
R964
R966
R968
R970
R972
R974
R952
R951
R953
R955
R957
R959
R961
R963
R965
R967
R969
R971
R973
D972
LSW904(1/2)
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
S904
LSW912(1/2)
LSW901(1/2)
S905
LSW902(1/2)
S902
LSW903(1/2)
S903
LED802
LED801
CN802
CN901
S801
CN801
LSW911(2/2)
LSW912(2/2)
LSW910(2/2)
LSW909(2/2)
LSW908(2/2)
LSW906(2/2)
LSW907(2/2)
LSW903(2/2)
LSW902(2/2)
LSW901(2/2)
LSW904(2/2)
LSW905(2/2)
BP2
R985
R984
R986
LCD901
R923
R925
R927
R929
LED921
LED922
LED923
LED924
R940
R943
Q908
Q903
Q902
Q907
Q901
R921
R975
R976
R977
R978
R979
3-13. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Common Note on Schematic Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page
23)
23)
27
CDX-CA890X
IC1 µPD63711GC-8EU (Servo Board)
3-14. IC BLOCK DIAGRAMS
76
75
AGCI
AGCO
74
RFI
73
C3T
72
ASY
71
EFM
70
AVDD
69
7E DAC3
68
7D DAC2
67
7C DAC1
66
7F DAC0
65
MD
64
SD
63
TD
62
FD
60
ATEST
59
TEST1
58
TEST0
57
DGND
56
TSTB
55
TSCK
54
TSI
53
TSO
52
PACK
51
DVDD
61
AGND
1
DGND
2
RFOK
3
RST
4
A0
5
STB
6
SCK
7
SO
8
SI
9
XTALEN
10
DVDD
11
DAVDD
12
ROUT
13
DAGND
REGC
16
LOUT
17
DAVDD
18
R+
19
R–
20
L+
21
L–
22
XVDD
23
XTAL
24
XTAL
25
XGND
15
14
DAGND
77
RFO
78
EQ2
79
EQ1
80
RF-
81
AGND
82
A
83
C
84
B
85
D
86
F
87
E
88
AVDD
89
REFOUT
90
FE-
91
FEO
92
TE-
93
TEO
94
TE2
95
AGND
TEC
96
PD 97
98
LD
PN 99
100
AVDD
50 C2D3
49 C2D2
48 C2D1
47 C1D2
46 C1D1
45 DGND
44 PLCK
43 MIRR/WFCK
42 RFCK
41 LOCK
40 DVDD
39 TSOI
38 C16M
37 DGND
36 TX
35 HOLD/WDCK
34 LRCK
33 LRCKIN
32 SCKO
31 SCKIN
30 DOUT
29
28
DIN
FLAG
27 EMPH
26 DVDD
EFM
COMPARATOR
EFM
EFM
DEFECT
FOK
A3T
MIRR
FEO
TEO
TEOFS
FEOFS
RF
AMP BLOCK
SWITCH
MICROCOMPUTER INTERFACE
SCF
OSC
FOCUS
REGISTER
TRACKING
REGISTER
OCTUPLED
OVERSAMPLING DIGITAL FILTER
NOISE SHAVER
OUTPUT BUFFER
NOISE SHAVER
OUTPUT BUFFER
DE-EMPHASIS CIRCUIT
D/A
INTERFACE
CIRCUIT
OUTPUT PROCESSOR
DIGITAL
AUDIO
INTERFACE
DIGITAL PLL
TIMING GENERATOR
EFM DEMODULATOR
ERROR
CORRECTION
PROCESSOR
MICROCOMPUTER INTERFACE
CD-TEXT DECODER
SUB-CODE PROCESSOR
16K
SRAM
D/A
AUTO GAIN
CONTROLLER
FD/TD/SD/MD
CONTROLLER
CONTROLLER
ADDER
SVDRAM
MULTIPLIER
SVCRAM
SVROM
ROM
DECODER
CLV
PROCESSOR
DEFECT
COMPARATOR
RFENV
MIRENV
A/D CONVERTER
MEMORY
PROCESSOR
COMPARATOR
28
CDX-CA890X
IC2 BA5810FP-E2 (Servo Board)
1
FWD
+
–
+
–
+
–
2
REV
LOADING PRE
FWD REV
3
LDCONT
6
IN2
7
PREVCC
8
POWVCC
VOL–
VOL+
IN1
4
PS
+
–
LEVEL
SHIFT
+
–
+
–
LEVEL
SHIFT
LEVEL
SHIFT
+
–
POWER
SAVE
CH1-4
MUTE
X3
9
10
11
VO2–
12
VO2+
13
VO1–
14
VO1+
5
BIAS
OPIN4+
OPIN4–
OPIN3–
OPOUT3
MUTE
POWVCC
GND
OPIN3+
OPOUT4
VO3–
VO3+
VO4–
VO4+
7.5k
7.5k
16k
16k
7.5k
7.5k
16k
16k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
–
+
–
+
–
LEVEL
SHIFT
+
–
+
–
+
–
10k
10k
10k
10k
+
–
28
27
26
23
22
21
25
20
19
18
17
16
15
24
POWVCC34
(CH3,CH4)
PREVCC
(PRE.LOADING)
POWVCC12
(CH1.CH2)
IC301 BA8270F-E2 (Main Board (2/2))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS ON
BUS ON
CLK IN
B/U-C
DATA IN
DATA OUT
DATA
I/O
I/O
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